US12601302B2 - Turbomachine comprising a speed reducer having attachment flanges coupled by a gear coupling - Google Patents

Turbomachine comprising a speed reducer having attachment flanges coupled by a gear coupling

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Publication number
US12601302B2
US12601302B2 US18/433,185 US202418433185A US12601302B2 US 12601302 B2 US12601302 B2 US 12601302B2 US 202418433185 A US202418433185 A US 202418433185A US 12601302 B2 US12601302 B2 US 12601302B2
Authority
US
United States
Prior art keywords
attachment
ring gear
flange
teeth
speed reducer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US18/433,185
Other languages
English (en)
Other versions
US20250075629A1 (en
Inventor
Jordane Emile Andre PELTIER
Boris Pierre Marcel MORELLI
Patrice Julien PTASZYNKSKI
Pierre-Damien TUNE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Transmission Systems SAS
Original Assignee
Safran Transmission Systems SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Safran Transmission Systems SAS filed Critical Safran Transmission Systems SAS
Assigned to SAFRAN TRANSMISSION SYSTEMS reassignment SAFRAN TRANSMISSION SYSTEMS ASSIGNMENT OF ASSIGNOR'S INTEREST Assignors: PTASZYNSKI, PATRICE JULIEN, TUNE, PIERRE-DAMIEN, MORELLI, Boris Pierre Marcel, PELTIER, JORDANE EMILE ANDRE
Publication of US20250075629A1 publication Critical patent/US20250075629A1/en
Application granted granted Critical
Publication of US12601302B2 publication Critical patent/US12601302B2/en
Active legal-status Critical Current
Adjusted expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet gears
    • F16H1/2818—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet gears by allowing limited movement of the ring gear relative to the casing or shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F16H2055/176—Ring gears with inner teeth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio 

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Retarders (AREA)
  • General Details Of Gearings (AREA)
US18/433,185 2023-02-06 2024-02-05 Turbomachine comprising a speed reducer having attachment flanges coupled by a gear coupling Active 2044-04-02 US12601302B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2301107 2023-02-06
FR2301107A FR3145588B1 (fr) 2023-02-06 2023-02-06 Turbomachine comprenant un reducteur de vitesse ayant des brides de fixation accouplees par un accouplement a dentures.

Publications (2)

Publication Number Publication Date
US20250075629A1 US20250075629A1 (en) 2025-03-06
US12601302B2 true US12601302B2 (en) 2026-04-14

Family

ID=85937285

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/433,185 Active 2044-04-02 US12601302B2 (en) 2023-02-06 2024-02-05 Turbomachine comprising a speed reducer having attachment flanges coupled by a gear coupling

Country Status (3)

Country Link
US (1) US12601302B2 (fr)
EP (1) EP4411178B1 (fr)
FR (1) FR3145588B1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090062058A1 (en) * 2007-08-27 2009-03-05 Kimes John W Plantary Transmission Having Double Helical Teeth
US20180038448A1 (en) 2015-03-30 2018-02-08 Kawasaki Jukogyo Kabushiki Kaisha Planetary gear device
US10399669B2 (en) * 2014-11-20 2019-09-03 Safran Electronics & Defense Aircraft flight control surface actuator
US10487917B2 (en) * 2015-10-15 2019-11-26 Rolls-Royce Plc Geared gas turbine engine
US10704669B2 (en) * 2017-12-06 2020-07-07 Safran Transmission Systems Planetary reduction gear ring gear for a turbine engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090062058A1 (en) * 2007-08-27 2009-03-05 Kimes John W Plantary Transmission Having Double Helical Teeth
DE102008035155A1 (de) 2007-08-27 2009-03-05 Ford Global Technologies, LLC, Dearborn Planetengetriebe
US10399669B2 (en) * 2014-11-20 2019-09-03 Safran Electronics & Defense Aircraft flight control surface actuator
US20180038448A1 (en) 2015-03-30 2018-02-08 Kawasaki Jukogyo Kabushiki Kaisha Planetary gear device
US10274047B2 (en) * 2015-03-30 2019-04-30 Kawasaki Jukogyo Kabushiki Kaisha Planetary gear device with inward flange having recesses
US10487917B2 (en) * 2015-10-15 2019-11-26 Rolls-Royce Plc Geared gas turbine engine
US10704669B2 (en) * 2017-12-06 2020-07-07 Safran Transmission Systems Planetary reduction gear ring gear for a turbine engine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Preliminary Research Report received for French Application No. 2301107, mailed on Jul. 21, 2023, 3 pages (1 page of French Translation Cover Sheet and 2 pages of original document).
Preliminary Research Report received for French Application No. 2301107, mailed on Jul. 21, 2023, 3 pages (1 page of French Translation Cover Sheet and 2 pages of original document).

Also Published As

Publication number Publication date
US20250075629A1 (en) 2025-03-06
FR3145588A1 (fr) 2024-08-09
EP4411178B1 (fr) 2026-01-14
FR3145588B1 (fr) 2025-11-07
EP4411178A1 (fr) 2024-08-07

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